CN102202539B - Molding male surface fastener - Google Patents

Abstract

The invention provides a shaped male hasp. The molded male buckle (1) has resin ingress prevention devices for preventing the foamed resin material for molding of the cushioning body from entering at the left and right side edges along the longitudinal direction of the surface of the thermoplastic resin flat base (2). The wall part (4) has a plurality of engaging elements (3) between the left and right resin intrusion prevention wall parts (4), and is arranged along a line near the top of each resin intrusion prevention wall part (4). The sealing body (5) is continuously arranged in the longitudinal direction of the base material (2). When the engaging element forming surface of the buckle (1) is placed on the concave-convex surface of the foam molding cavity of the foam molding mold (100), as long as the mold has the same magnetic force as in the past, The above-mentioned linear sealing body (5) follows the above-mentioned concavo-convex surface and adheres well, so the sealing performance between the mold and the resin intrusion prevention wall (4) is greatly improved. As a result, the buckle (1) can be accurately integrally molded at a predetermined position of the foam without causing the foamed resin material (200) to enter the engaging element forming region during foam molding.

Description

Formed male buckle

technical field

The invention relates to a shaped male hasp, which has a hook-shaped piece and a mushroom-shaped piece on one surface of a flat base material, which is engaged with a ring-shaped female engaging element of a matching piece. A plurality of male engaging elements, and the molded male fastener has resin ingress prevention wall portions arranged at least along the left and right side edges in the longitudinal direction of the above-mentioned base material, and the resin ingress prevention wall portion is used to prevent the resin ingress from the foam body. The molded article made of resin is prevented from entering into the region where the above-mentioned male engaging elements are formed when the foamed resin material is foam-molded. the

Background technique

Seats for cars and trains, various sofas, office chairs, etc. have cushioning bodies inside their skin materials. As the cushioning body, it is possible to use a cushioning material called asbestos (rock wool), which is formed by interweaving rigid fibers such as coconut fibers, hemp, or thick synthetic fibers, and reinforcing them with rubber, or various foams. Foam molded body made of permanent resin material. In order to maintain a sitting posture that does not make you tired even if you sit for a long time, these cushioning materials have a curved surface made of ergonomic concave-convex shapes. When attempting to mass-produce efficiently while considering the cushioning properties of the cushioning material having such a complicated surface shape, it is difficult to cope with the use of the above-mentioned asbestos with many manufacturing steps. On the other hand, cushioning bodies made of foamable resins are widely used because they can be manufactured in a single process and can easily obtain various shapes. That is, the cushioning body made of foamable resin is molded into a target shape while foaming by injecting a foamable resin material such as foamable urethane resin into the mold. the

The surface of the shock absorber formed in this way is integrally covered with skin materials such as various fiber fabrics, natural or synthetic leather, and the like. One of the following methods for this integral coating is that the skin material can be adsorbed along the surface of the mold, and the foamable resin material and the cushioning body can be molded by injecting the foamable resin material thereinto. The inner surface of the skin material is integrated, or the cushion body made of a foamable resin material is molded in advance with a mold, and then the surface of the cushion body is covered and fixed with the skin material. the

In the above-mentioned former integral molding method, when setting the skin material along the inner surface of the mold, suction is carried out along the inner surface of the mold by the suction member, but in order for the skin material to have a complex surface as described above, In order to deform the surface of the shock absorber in accordance with the shape, the skin material itself needs to be a material with excellent stretchability. However, there is a limit to stretchability due to the material, and therefore, a large number of wrinkles are likely to be formed between the seat surface and the peripheral side, and a lot of effort has been devoted to correcting this deficiency. the

In addition, when this integral molding is adopted, the buffer body and the skin material are integrally formed over the entire surface, so, for example, a strong force is applied in a direction in which the skin material is shifted from the surface of the buffer body during use. In some cases, a shearing force acts between the surface material and the cushioning body, and a part of the cushioning body is broken to peel off the surface material in many cases. In order to prevent the occurrence of the above-mentioned wrinkles, it is natural to limit the material that can be used as the skin material, and in order not to apply undue force between the skin material and the buffer body, it is preferable to allow slight movement between the two. Therefore, instead of the method of integrating the shock absorber and the skin material at the same time as the shock absorber is formed, a method of coating the skin material on a preformed shock absorber is often used. the

When molding the cushioning body made of foamed resin material as described above, the usual method of integrating the male buckle and the cushioning body is as follows, that is, as shown in FIG. 5, the engagement of the male buckle 1 The element forming surface is placed and fixed on the raised portion 101 facing the bottom surface of the mold corresponding to the concave surface of the cushioning body to be formed, and the foamable resin material flows into the mold 100 to form the cushioning body by foaming. At the same time, the male hasp 1 is embedded in the concave surface of the buffer body and integrally formed with the concave surface of the buffer body in a state where the engaging element forming surface of the male hasp 1 is exposed to the outside. During the foam molding, it is necessary to prevent the above-mentioned foamable resin material from flowing into the formation region of the male engaging element. The formed buffer body is covered with a bag-shaped skin material made of various materials such as pile fabric, natural leather, and rigid leather that matches the shape of the buffer body. The inner surface of the skin material is ring-shaped The female engaging element is pressed against the engaging element forming surface of the above-mentioned male buckle 1 integrated with the buffer body, and engages and fixes the skin material along the concave surface of the buffer body, so that the skin material will not float from the buffer body. the

For the countermeasures for preventing the foamable resin material from entering the engaging element forming region of the male buckle when molding the above-mentioned cushioning body, for example, in Japanese Patent Application Laid-Open No. 2000-516485 (Patent Document 1), US Patent No. 6939596 Many countermeasures have been proposed in Specification No. 2005-211198 (Patent Document 2) and Japanese Patent Application Laid-Open No. 2005-211198 (Patent Document 3). the

In the above-mentioned Patent Document 1, a plurality of male engaging elements are erected on one surface of the base belt by integral molding, and the male engaging elements for embedding in the peripheral portion of the region where the male engaging elements are formed are utilized. The synthetic resin cover of the element is covered, and an ingress preventing wall for preventing the entry of the foamed resin material is formed so as to surround the area where the male engaging element is formed. The inside of the synthetic resin cap may be filled with the same type of resin as the cap, or may not be filled. It is also described in Patent Document 1 that, in order to increase the adhesiveness between the synthetic resin cap and the foamed resin molding die, sometimes a material that can be magnetically attracted is mixed into the resin material constituting the synthetic resin cap. Constituent particles, or magnets for magnetic attraction. the

In addition, according to the above-mentioned patent document 2, the support wire (anchor wire) is directly bonded and fixed on the surface of the flat base material along the outer edge of the engaging element forming region of the molded male buckle by means of an adhesive, thereby forming a preventive mechanism. The resin enters the wall, and the formed male buckle is formed by integrally forming many male engaging elements on the surface. The supporting wire contains particles capable of forming magnetic attraction, and many fibers are attached to the peripheral surface of the supporting wire. the

In the male buckle disclosed in Patent Document 3, the first resin for preventing the foamed resin material for molding the cushion body from entering is respectively extended on the left and right side edges along the longitudinal direction of the elongated strip-shaped base material made of thermoplastic resin. The intrusion prevention wall part has a plurality of male engaging elements between the left and right ingress preventing wall parts, and the above male engaging elements are divided according to each required area in the length direction of the base material, and the length A second resin entry prevention wall portion extending in the width direction of the base material is formed between the divisional regions adjacent in the direction. The second resin ingress prevention wall part extends along the width direction of the surface of the base material, and prevents the foamed resin material for molding the cushion body from entering from the longitudinal direction of the base material, and the second resin intrusion prevention wall portion The upper end of the wall portion has a hook-shaped male engaging element capable of engaging with or disengaging from the female engaging element of the kit. the

The above-mentioned second resin ingress prevention wall portion constitutes a resin ingress prevention horizontal wall continuously extending in the width direction of the surface of the base material, and the upper part of the resin ingress prevention horizontal wall has multiple holes extending from the front and rear walls in the longitudinal direction of the base material in the front and rear direction. a male engaging member, so that the resin entry prevention lateral wall prevents the foamable resin from entering the engaging member forming area, and by making the engaging head identical to that of the engaging member formed in the engaging member forming area The male engaging element of the engaging head engages with the female engaging element on the inner surface of the skin material, supplementing the previously lacking engaged part to ensure the required engaging force. The molded male buckle integrally formed with the cushioning body is joined integrally with the cushioning body on the inner surface of the base material and the outer regions of the first and second entry preventing walls. In order to ensure the bonding strength between the cushioning body and the buckle, the back of the buckle is formed with a concave-convex surface, or a non-woven fabric, etc. is integrated with the back of the buckle when molding the buckle. the

In addition, according to this patent document 3, when molding the buffer body made of foamed resin material as described above, in order to make the engaging element forming surface of the above-mentioned molded male buckle closely adhere to the predetermined position of the molding die At the position, the longitudinally long magnetic wires are respectively embedded in the base material side base and the width direction central part of the base material of the left and right first resin intrusion prevention walls of the molded male fastener along the length direction of the base material, and they are formed as One. The magnetic wire is made of a magnetically attracted wire or a wire magnet. As the magnetically attractable wire rod, for example, a single metal alone or a synthetic resin monofilament mixed with particles of a magnetically attractable magnetic material is often used. In addition, all of these wires are excellent in flexibility. the

Patent Document 1: Japanese Patent Application Publication 2000-516485

Patent Document 2: Specification of US Patent No. 6939596

Patent Document 3: Japanese Patent Laid-Open No. 2005-211198

However, with regard to the male buckle disclosed in the above-mentioned Patent Document 1, as can also be understood from the above-mentioned structure, the male buckle is not manufactured continuously, but is used to cover the male buckle through the process of manufacturing the male buckle member and molding. The process of engaging the cover of the engaging element around the area where the engaging element of the buckle member is formed is a process in which the male buckle member and the cover are manufactured separately as separate components. Also, in the case where the male buckle member is a formed buckle, the buckle members are not molded continuously, but the buckle members are molded separately. Therefore, the male buckle disclosed in Patent Document 1 cannot be manufactured in a single process, and thus there is a problem that the manufacturing cost increases. the

On the other hand, including the male buckles disclosed in the above-mentioned Patent Documents 2 and 3, the male buckles formed in recent years are formed by forming a plurality of molding cavities for engaging elements on the peripheral surface and for preventing The peripheral surface of the die wheel (die wheel) driven to rotate in one direction of the mold cavity for preventing the entry of the foamable resin material into the wall continuously injects or extrudes the molten resin, thereby simultaneously integrating many engaging elements and The entry prevention wall is continuously integrally molded on the surface of the strip-shaped base material. The above-mentioned die wheel (die wheel) has a plurality of molding cavities for engaging elements and entry of the foamable resin material on the peripheral surface. The wall is used to form the mold cavity, and the mold wheel is driven to rotate in one direction. Thereby, compared with the male buckle described in patent document 1, manufacturing cost can be reduced significantly. the

On the other hand, for example, in a vehicle seat or the like, as described above, in order to obtain an ergonomically optimum seating posture, an uneven surface composed of a moderately curved surface is formed on the surface of the seat. The shape of the concave-convex surface, especially the length thereof is not constant, but has various lengths. The above-mentioned molded male buckle is integrated with the cushioning body along the concave portion of the seating surface of the seat cushioning body with the concave-convex surface. When wrapping the skin material on the cushioning body, the female buckle region having the female engaging elements on the inner surface of the skin material is press-bonded to the buckle forming region of the buckle, so that the skin material is attached to the buffer with tension. buffer body. the

In this way, in order to integrally mold the strip-shaped male buckle formed continuously as described above on the cushioning body in a state of bending along the different uneven surfaces along the length of the cushioning body, it is necessary to mold the strip-shaped male buckle along the length of the cushioning body. The state where the uneven surface of the mold is bent is closely attached to the mold. Therefore, it is required that the shaped male buckle is easy to bend. In the molded male buckle of Patent Document 3, the respective first resin ingress preventing wall portions formed along the left and right side edges are not continuously arranged, but discontinuously arranged in two or more rows in a staggered manner. To ensure the adhesion to the mold, synthetic resin wires or wires mixed with a magnetically attractive material are continuously embedded in the base of the first resin ingress prevention wall and the center of the base along the longitudinal direction of the base. shape magnet. the

By adopting the above structure, in the case where the buckle suction surface of the mold has few concavities and convexities and is close to a plane, the male buckle can be easily and accurately set at any position on the mold, but if the buckle suction surface of the mold If the unevenness becomes large, when the unevenness of the curved surface is large, the male buckle, especially the end of the male buckle will often float from the mold. If the end of the formed male buckle floats from the mold, then When foam molding is performed later, due to the foaming pressure, the foamable resin material enters the gap between the mold and the molded male buckle, gradually expanding the gap, and the resin of the molded male buckle goes over the entry prevention wall. If it enters the area where the engaging element is formed, it may not be able to exert the target engaging force as a formed male hasp. In addition, due to the influence of resin shrinkage during the cooling process when molding the molded male fastener, unevenness and warpage also occur in the width direction and longitudinal direction of the molded male fastener. If it enters the gap between the mold and the molded male buckle, it may not be able to exhibit the target engaging force as the molded male buckle, and there is still much room for improvement in these respects. the

Contents of the invention

The present invention is made to solve such problems, and its object is to provide a molded male buckle. Specifically, in such a molded male buckle that is continuously molded in a strip shape, the cushioning body molding die Even when the surface of the molding cavity has a large uneven shape, or when the molded male fastener itself has unevenness or warpage, the amount of foamable resin material entering the engaging element formation area can be minimized , and can ensure the minimum required joint force. the

The above objects can be effectively achieved by the airtightly formed male buckle which is the main constitution of the present invention, and which has respectively a A resin ingress preventing wall portion for preventing intrusion of a foamed resin material for molding a cushioning body, the flat base material having inner and outer surfaces and made of thermoplastic resin, the resin ingress preventing wall portions located on the left and right sides of the flat base material There are many male snap-fit elements integrally on the surface between them. The airtightly formed male buckle contains a magnetic material. When the above-mentioned buffer body is shaped, the magnetic material is integrally formed with the buffer body. The magnetic material can perform It is magnetically attracted or capable of being magnetically attracted, and is characterized in that a linear sealing body is fixedly supported along each top surface of each of the above-mentioned left and right resin intrusion prevention walls, and the linear sealing body has sealing properties, and is connected with the above-mentioned flat base. The material and the male engaging element are made of different materials. the

In a preferred form, the resin intrusion prevention wall part has a first linear sealing body clamping part and a second linear sealing body clamping part, and the first linear sealing body clamping part and the second linear sealing body clamping part The clamping part extends parallel to each other integrally with the base material along the longitudinal direction of the base material, and the above-mentioned linear sealing body is on the top of each of the first linear sealing body clamping part and the second linear sealing body clamping part. Nearby extends along the length direction. It is preferable that the linear sealing body includes, at least on the surface, a material that is more easily deformable and softer than the above-mentioned constituting materials of the plate-shaped base material and the male engaging element. Furthermore, the linear sealing body is continuously exposed between the first linear sealing body clamping portion and the second linear sealing body clamping portion, and the height H1 of the exposed surface of the linear sealing body from the surface of the base material is It is set to be equal to the top surface of the above-mentioned male engaging element or higher than the height of the apex of the above-mentioned male engaging element. In addition, it is preferable that the linear sealing body is completely accommodated between the sealing body holding portions.

It is preferable that the said 1st linear sealing body holding part and the 2nd linear sealing body holding part are arrange|positioned intermittently along the longitudinal direction of a base material. It is also possible to further have an outer wall portion on the surface of the substrate along the outer edge portion of the second linear sealing body holding portion, so as to form a wall portion along the longitudinal direction on the second linear sealing body holding portion. The outer wall portion is arranged intermittently so that each gap is closed. the

It is desirable that the above-mentioned molded male fastener has a linear magnetic body in its longitudinal direction, and the magnetic body contains a material capable of magnetically attracting or being magnetically attracted. It is also possible to discontinuously protrude along the length direction of the base material on the surface between the above-mentioned first linear sealing body clamping part and the second linear sealing body clamping part of the base material, for supporting the above-mentioned sealing material from below. The linear sealing body supporting part of the linear sealing body. A locking portion for locking the linear sealing body may be formed on the top of the resin intrusion preventing wall. The above-mentioned linear sealing body may also be a fiber rope body, or a synthetic resin wire or a metal wire as a core material may be arranged at the center of the fiber rope body, and the synthetic resin wire or metal wire may contain magnetically attractive or Magnetic particles capable of being attracted magnetically. In addition, the linear sealing body may be formed of a porous resin material. the

In the present invention, at least in the vicinity of the tops of the first linear sealing body clamping part and the second linear sealing body clamping part constituting the first resin intrusion prevention wall part, which are far away from the base material, along the longitudinal direction Continuously arrange the linear sealing body, even if it is a buckle with the same magnetic force as the conventional one, the linear sealing body can be closely attached to the buckle installation surface of the molding die for the cushioning body by the magnetic attraction force. There is a very strong sealing force between the first resin ingress preventing wall portion of the male buckle for supporting the linear sealing body and the mold for molding the foamed resin. Therefore, even if the unevenness of the buckle installation surface of the mold or the unevenness and warpage of the buckle itself are large, the linear sealing body will follow the unevenness of the buckle installation surface of the mold for foaming resin molding. Good fit without creating a gap between the formed male buckle and the cavity surface of the mold, effectively preventing the entry of the foamed resin material. the

When the above-mentioned linear sealing body is continuously exposed from between the first linear sealing body clamping part and the second linear sealing body clamping part, since the formed male buckle has a magnetic force, the magnetic force is uniform. The ground acts on the entire length of the linear sealing body, so that the linear sealing body can be firmly attached to the buckle installation surface of the mold. At this time, if the contact surface of the linear sealing body in contact with the mold is made softer than the above-mentioned base material and the male engaging element, when it is adsorbed to the mold, the linear sealing body is plastically deformed by the adsorption force, thereby The contact area with the mold is increased, and the sealing performance with respect to the foamed resin material is improved. In order to ensure the sealing performance, the height of the exposed surface of the linear sealing member from the surface of the substrate is set to be equal to the top surface of the male engaging element or slightly higher than the height of the apex of the male engaging element. the

In addition, by arranging the first linear sealing body holding portion and the second linear sealing body holding portion intermittently along the longitudinal direction of the base material, flexibility in the longitudinal direction of the molded male fastener can be ensured. In addition, in addition to the above-mentioned first linear sealing body clamping part and the second linear sealing body clamping part, the outer side of the second linear sealing body clamping part is provided intermittently along the length direction of the base material. The extended outer wall portion can effectively prevent the foamed resin material from entering the engaging element forming area of the molded male hasp when the foamed resin material is foamed and molded. In order to block the gap formed in the clamping portion of the second linear sealing body, the intermittently arranged outer wall portions are arranged in a staggered manner, thereby improving the prevention of entry of the foamed resin material. The second linear sealing body clamps The holding portions are intermittently arranged adjacent to each other along the length direction of the base material. the

When the surface between the above-mentioned first linear sealing body clamping part and the second linear sealing body clamping part of the base material is raised, the linear sealing body supporting part for supporting the above-mentioned linear sealing body from below is arranged. In addition to being clamped by the first linear sealing body clamping part and the second linear sealing body clamping part, the linear sealing body is also firmly supported from below, so it is not necessary to prepare more than the required amount of wire. The linear sealing body can reliably set the height H1 of the exposed surface of the above-mentioned linear sealing body from the surface of the base material to be equal to the top surface of the above-mentioned male engaging element or higher than the height of the apex of the above-mentioned male engaging element. In addition, there is no relative movement between the linear sealing body and the molded male buckle, and the two always move integrally, so that the molded male buckle produced by the linear sealing body and the cavity surface of the mold for foaming resin molding can be secured. tightness between them. the

By arranging the linear sealing member supporting portions intermittently along the longitudinal direction of the base material, the longitudinal flexibility of the molded male fastener can be ensured, and the unevenness of the fastener installation surface of the mold can be made to follow flexibly. The linear sealing body is preferably a continuous wire in order to obtain uniform adsorption to the mold. In particular, if it is a synthetic resin wire containing magnetic particles made of alloys such as iron, cobalt, and nickel, desired flexibility can be easily obtained. , so it is ideal, but even if the peripheral surface of these linear sealing bodies is covered with a fiber aggregate material, on the basis that the desired adsorption can be obtained, the flexibility of the peripheral surface of the linear sealing body increases, so that the sealing property Also improve. Alternatively, even if a foamed resin body is used as the linear sealing body, the above effects can be obtained. When the locking part for locking the above-mentioned linear sealing body is provided on the top of the first linear sealing body clamping part and the second linear sealing body clamping part, the linear sealing body is not easy to separate from the first linear sealing body. The body holding portion and the second linear sealing body holding portion are disengaged, and the linear sealing body can be reliably supported. the

Description of drawings

Fig. 1 is a partial perspective view seen from above, showing a partially cutaway molded male fastener according to a preferred first embodiment of the present invention. the

Fig. 2 is a top view of the formed male hasp. the

A to E of FIG. 3 are views from the arrows 3A-3A to 3E-3E of FIG. 2 . the

Fig. 4 is a sectional view taken along the line IV-IV of Fig. 2 . the

Fig. 5 is an explanatory diagram illustrating an example of the arrangement of the fasteners in the mold before foam molding when the molded male fastener is integrally molded with the foamed product. the

Fig. 6 is a view showing the state when the molded male buckle is closely fitted to the mold having a curved surface. the

Fig. 7 is an enlarged explanatory view schematically illustrating a foamed resin entry prevention mechanism during foam molding of the foamed resin. the

Fig. 8 is a plan view showing a molded male buckle as a modified example of the first embodiment described above. the

Fig. 9 is a cross-sectional view taken along the line IX-IX of Fig. 8 . the

Fig. 10 is an enlarged explanatory view schematically illustrating a foamed resin entry prevention mechanism during foam molding of the foamed resin according to the second embodiment. the

Fig. 11 is a cross-sectional view showing a modified example of the second embodiment. the

FIG. 12 is an enlarged explanatory view schematically illustrating a foamed resin entry preventing mechanism during foam molding of the foamed resin according to the modified example. the

Fig. 13 is a partially cutaway perspective view of a molded male fastener according to a third embodiment of the present invention seen from above. the

14A to D are partial cross-sectional views of molded male fasteners showing various modifications of the linear sealing body of the present invention. the

Fig. 15 is a cross-sectional view schematically illustrating a state of close contact of the molded male fastener of the modified example shown in Fig. 14C in the foam molding die. the

Fig. 16 is a process explanatory diagram showing a part of an example of the forming process of the male fastener of the present invention. the

Fig. 17 is a sectional view taken along the line XIV-XIV in Fig. 16 . the

Fig. 18 is a sectional view taken along the line XV-XV in Fig. 16 . the

Fig. 19 is a process explanatory diagram showing a part of another example of the forming process of the male fastener of the present invention. the

Explanation of reference signs

1. Formed male buckle; 2. Base material; 2a. Concave-convex surface; 3. Engagement element; 3a. Standing part; 3b. Engagement head; 1st to 3rd linear sealing body clamping part; 4a', 4b', clamping wall; 4a"-4c", locking part; 5, linear sealing body; 5', fiber rope body; 6, 7. Linear sealing body supporting portion (protrusion); 7a, 7b, first and second linear sealing body supporting portion (protruding portion); 8. Fins; 9. Adhesive layer; 14. Resin ingress preventing wall portion; 14a, first linear sealing body clamping portion; 14b, second linear sealing body clamping portion; 15, linear magnetic material; 30, engaging element forming region; 100, foam molding Mold; 101, protruding surface; 102, magnet; 200, polyurethane resin (foaming resin material); 300, mold wheel; 301, continuous extrusion nozzle; 302, mold cavity for forming male engaging elements; 303, pick-up roller; 304,305, a pair of pressing rollers up and down. the

Detailed ways

Hereinafter, typical embodiments of the present invention will be specifically described with reference to the drawings. 1 to 4 show a first embodiment of the present invention. the

As shown in FIG. 1 , the strip-shaped male buckle 1 of the present embodiment (hereinafter simply referred to as the buckle) is formed in the area where the engaging elements are formed on one side of the flat base material 2 except for the side edges in the width direction. In 30, a plurality of hook-shaped male engaging elements 3 are integrally formed on one side (surface) of the base material 2, and on the left and right side edge portions of the base material 2, there are vertically arranged hooks extending linearly along the length direction. The resin enters the prevention wall part 4. In this embodiment, the resin intrusion prevention wall portion 4 has first linear sealing body clips arranged in parallel in the longitudinal direction with a required interval at the left and right side edges adjacent to the engaging element forming region. The holding portion 4a and the second linear sealing body holding portion 4b are in close contact with the two linear sealing body holding portions 4b on the opposite side of the second linear sealing body holding portion 4b from the engaging element forming region. The outer wall part 6 arranged in the ground, and the surface of the self-base material 2 that is arranged on the first linear sealing body holding part 4a and the second linear sealing body holding part 4b and is used to support the linear sealing body 5 from below Protruding linear sealing body support portion 7 . the

Here, thermoplastic resins such as polyamide resins, polyester resins, polypropylene resins, PVC, ABS resins, polyethylene resins, and polystyrene resins can be used as raw materials for the buckle. In addition, the male engaging element 3 also includes an annular female engaging element that can be engaged with or disengaged from the kit. In addition to the above-mentioned hook shape, there are also conventional ones called mushroom shape or coconut tree shape. Male snap elements of all known shapes. the

The above-mentioned first linear sealing body holding portion 4a and second linear sealing body holding portion 4b, the outer wall portion 6 and the linear sealing body support portion 7 are all divided and formed intermittently along the length direction of the base material 2, wherein Each clamping wall 4a', 4b' that divides the first linear sealing body clamping portion 4a and the second linear sealing body clamping portion 4b is a mountain-shaped block that narrows upward as shown in D of FIG. The left and right pairs of the clamping walls 4 a ′, 4 b ′ are arranged adjacent to each other at intervals in the width direction of the base material 2 . As shown in Fig. 1, Fig. 2, E of Fig. 3 and Fig. 4, the above-mentioned outer wall portion 6 is connected to each of the clamping walls 4b' of the second linear sealing body clamping portion 4b in such a way that the gaps between the clamping walls 4b' are respectively blocked. The clamping walls 4b' are densely formed intermittently along the longitudinal direction, and the second linear sealing body clamping portion 4b is a first linear sealing body disposed intermittently on the left and right side edges of the base material 2 along the longitudinal direction. Among the holding portion 4 a and the second linear sealing body holding portion 4 b, the linear sealing body holding portion is arranged on the side opposite to the above-mentioned engaging element formation region 30 . the

As shown in Fig. 1, Fig. 2 and C of Fig. 3, the above-mentioned linear sealing body supporting part 7 is formed between the above-mentioned first linear sealing body clamping part 4a and the second linear sealing body clamping part 4b, It is composed of low-height block pieces intermittently arranged to block the gaps in the longitudinal direction of each clamping wall 4a', 4b'. The linear sealing body supporting part 7 is raised on the surface of the base material 2. Part of the sealing body supporting portion 7 is integrally formed in close contact with the opposing surfaces of the holding walls 4a', 4b' of the first linear sealing body holding portion 4a and the second linear sealing body holding portion 4b. the

As shown in FIGS. 1 and A and B of FIG. 3 , one unit of the above-mentioned engaging elements 3 of this embodiment is vertically arranged with predetermined intervals in the longitudinal direction and the width direction, respectively. Each engaging element 3 has an upright portion 3 a vertically erected from the surface of the base material 2 , and a hook-shaped engaging head curvedly extending back and forth in the longitudinal direction of the base material 2 at the upper end of the upright portion 3 a. Part 3b. In addition, the lower first rib 3c and the above-mentioned engaging element 3 are integrally formed on the left and right sides of the base material width direction of the above-mentioned upright portion 3a. The second rib 3d having the same height as the vertex is integrally formed with the above-mentioned engaging element 3 on the side surface on the engaging element side further adjacent to each first rib 3c. Among the engaging elements 3 arranged side by side in the width direction of the base material 2, the outer side surfaces of the above-mentioned second ribs 3d of each engaging element 3 disposed closest to the left and right side edges of the base material 2 and the above-mentioned The inner side surfaces of the first linear sealing body clamping portion 4a are integrally connected. the

In this embodiment, the foamed resin entry preventing member for preventing foamed resin from entering the width direction of the buckle 1 is the resin entry preventing wall 4, but the foamed resin to enter from the longitudinal direction of the buckle 1 is Entry is prevented by the rising portion 3a, the engaging head portion 3b, the first rib 3c, and the second rib 3d constituting the engaging member 3 described above. There is a gap between the engaging element 3, the first rib 3c, and the second rib 3d, but since the gap is so narrow that the foamed resin cannot pass through it, the resin cannot enter the inner side of the gap. Hooks form faces. the

According to this embodiment, as shown in FIG. 4 , on the front end side of the engaging element 3 or the first linear sealing body clamping portion 4a and the second linear sealing body clamping portion 4b from the surface side of the base material 2 The top side of the top side is fitted and inserted into the space formed between the first linear sealing body clamping part 4a, the second linear sealing body clamping part 4b, and the upper surface of the linear sealing body support part 7. There is a linear sealing body 5 . The above-mentioned linear sealing body 5 is made of a material that is softer and more easily deformed than the base material 2, the engaging element 3, and the resin intrusion prevention wall 4. material composition. For example, monofilaments such as various elastomers and rubber mixed with magnetic particles made of alloys such as iron, cobalt, and nickel, or metal twisted wires obtained by bundling and twisting a plurality of these thin metal wires can be used. Silk is a wire made of elastic body, rubber, etc. as the core material. In addition, for the reasons described below, it is preferable to use a material softer than the materials constituting the base material 2 and the engaging element 3 as the material of the wire itself. In addition, the term "soft" in this application refers to a substance that deforms more than the deformation of the base material 2 and the engaging element 3 when an external force is applied, that is, the measured value of the durometer hardness test is lower than that of the base material 2 and the engaging element 3. The material of component 3. the

In addition, as shown in FIG. 4 , upper peripheral surfaces for engaging and supporting the linear sealing body 5 from left and right are formed on the upper ends of the first linear sealing body holding portion 4 a and the second linear sealing body holding portion 4 b. The locking parts 4a", 4b" of the 1/6 arc-shaped cross-section. The method of forming the locking portions 4a", 4b" will be described later. By forming the locking portions 4a", 4b", the first linear sealing body clamping part 4a, the second linear sealing body clamping part 4b, and the linear sealing body support part 7 are securely clamped without shaking. Hold and support the linear sealing body 5. the

In addition, in this embodiment, a plurality of fins 8 are extended on the same plane as the base material 2 along the left and right side surfaces of the base material 2 of the buckle 1 at predetermined intervals. The left and right fins 8 are mutually arranged in a zigzag shape. The fins 8 are parts buried inside the foam during foam molding, and are used to firmly fix the buckle 1 in the foam. It is also possible to replace the fins 8, and to integrally form a non-woven fabric with many loops, a foaming material, etc. on the back side of the base material 2 opposite to the surface where the engaging elements are formed as in the past, but in order to be able to utilize Forming in a single process, fins 8 are used in this embodiment. the

As shown in FIG. 5, when molding a foam such as a cushioning body (not shown) made of a foamable resin material, the buckle 1 of this embodiment having the above-mentioned structure combines the engaging element forming surface of the cushioning body with the surface of the cushioning body. The inner surface of the mold is provided at a predetermined position on the inner surface of the foam molding cavity of the foam molding mold 100 to face. The predetermined position on the inner surface of the mold cavity where the buckle 1 is provided refers to the convex curved surface of the bottom surface of the mold corresponding to the concave surface constituting the supporting surface of the buffer body to be formed, that is, the protruding portion 101 . In this way, when the mounting surface of the buckle 1 is the protruding portion 101, when the planar buckle 1 shown by phantom lines in FIG. In case of any abutting force against the foaming molding die 100 , especially the elastic force of the base material 2 , the end of the buckle 1 in the direction of the curved surface will float from the foaming molding die 100 . When a part of the buckle 1 floats from the foaming molding die 100, even if a resin ingress preventing wall is formed on, for example, the peripheral portion of the buckle 1, the resin ingress preventing wall will float from the foaming molding die 100, and the foamed resin The foamed resin almost completely covers the snap element forming region 30 via the resin ingress prevention gap between the wall and the mold, losing the function as the snap element of the buckle. the

In the buckles disclosed in the aforementioned Patent Documents 2 and 3, the linear magnetic body is provided to extend along the longitudinal direction of the base material similarly to the present embodiment, so that the entire buckle can be attracted to the mold. There is a distance between the shape magnetic body and the adsorption surface of the foaming mold 100, and the buckle itself has an elastic rebound force. Therefore, at the end with a small adsorption force, the end of the buckle is easy to float from the mold. When the body is formed, the foamed resin enters into the region where the engaging elements are formed, resulting in a reduction in the engaging force. In addition, when the buckle is installed in the mold, the installation position will be displaced in the lateral direction even under the action of a slight external force, and the target position of the buckle 1 and the formed buffer body cannot be reliably integrated. Therefore, it is impossible to cover the surface body (not shown) beautifully without wrinkling along the uneven surface of the shock absorber. Usually, a plate-shaped magnet 102 is embedded in the above-mentioned foam molding die 100 at the position where the snap is installed. the

In the buckle 1 of the present embodiment, since the linear sealing body 5 is arranged at the upper end of the resin intrusion prevention wall 4, that is, at a position close to the magnetic attraction surface of the foam molding die 100, even if it is different from the above-mentioned patent document The linear magnet described in 3 has the same magnetic force as the linear sealing body 5, which also exerts a very strong magnetic force to increase the adsorption force. Therefore, the adhesiveness with the foam molding mold 100 is increased, and the sealing performance is comparable. In combination, as shown in FIG. 6, even if the supporting surface of the cushioning body is greatly bent, the linear sealing body 5 will be evenly adhered to along the curved surface, and there will be no change in the installation position, or the end of the buckle 1 will not be free. The mold is lifted, and the sealing performance between the buckle 1 and the foam molding mold 100 is greatly improved. the

Moreover, in this embodiment, since the engaging element 3 having the above-mentioned structure of the buckle 1 and the first linear sealing body clamping portion 4a and the second linear sealing body clamping portion as the resin intrusion preventing wall portion 4 4b, the outer wall portion 6, and the linear sealing body supporting portion 7 are formed in close contact with each other. Therefore, many engaging elements 3 including the first rib 3c and the second rib 3d, and the first linear sealing body clamping portion 4a , the second linear sealing body clamping portion 4b, the outer wall portion 6 and the linear sealing body support portion 7 form a plurality of rows in the longitudinal direction of the buckle 1, and use these substantial left and right The side resin entry prevention member substantially prevents entry of the foamed resin material from the width direction of the buckle 1 . In addition, since the above-mentioned first linear sealing body holding portion 4a and second linear sealing body holding portion 4b, the outer wall portion 6, and the linear sealing body support portion 7 are all divided in the longitudinal direction, even if the The buckle 1 formed of a slightly rigid material also tends to bend in its longitudinal direction and deforms easily to follow the unevenness of the foam molding die 100 . Needless to say, similar to the buckle disclosed in Patent Document 3, it is also possible to form a plurality of horizontal walls that divide the engaging element formation area along the length direction of the base material, and it is also possible to arrange the engaging elements on the horizontal walls themselves. the upper end. Furthermore, as the horizontal wall structure, it is also possible to provide a wall portion having a linear magnetic body corresponding to the above-mentioned resin entry prevention wall portion. the

As shown in FIG. 7, when foaming a cushioning body or the like, the foaming material injected into the foaming mold 100, such as polyurethane resin 200, foams itself in the mold and fills the cavity. At this time, the buckle 1 is attracted to the foaming mold 100 by a magnet (not shown) embedded in a desired position of the foaming mold 100 to be in close contact with the foaming mold 100 . On the other hand, due to the foaming pressure of the urethane resin 200, minute gaps are generated between the suction surface of the mold and the second linear sealing body clamping portion 4b of the buckle 1, and between the suction surface of the mold and the outer wall portion 6. In this way, according to this embodiment, as described above, the linear sealing body 5 has a large adsorption force to the foaming mold 100, so the linear sealing body 5 is in close contact with the foaming mold 100 evenly throughout its entire length, The above-mentioned linear sealing body 5 reliably prevents the foam material from passing through between the suction surface of the mold and the second linear sealing body clamping part 4b of the buckle 1 and between the suction surface of the mold and the outer wall part 6. gap enters. In addition, since the base material 2 has the above-mentioned fins 8, the buckle 1 can be integrally attached to the foam molded article firmly. Here, the foam molding material is not limited to polyurethane, and for example, polystyrene, polyvinyl chloride, polyolefin, polyester, polyamide, synthetic rubber, etc. can be used in addition to polyurethane. the

FIG. 8 is a modified example of the above-mentioned first embodiment. The difference between this embodiment and the above-mentioned first embodiment is that the linear sealing body 5 is replaced with a linear sealing body made of elastic body or rubber mixed with magnetic particles. , and use a twisted rope formed by twisting a fiber rope 5' and a metal wire 5". In addition, instead of the above-mentioned twisted rope, a twisted rope or a combination made of a magnetic metal wire as a core material and a fiber can be used. A wire made of a rope wrapped around the surface of a core material. 

In addition, the material of the rope body can be natural fibers such as cotton, wool, silk, and hemp, chemical fibers such as polyester silk, polyamide silk, and cellulose silk, or they can be combined. In addition, when using fibers made of superabsorbent polymers such as "BELL OASIS (registered trademark)" manufactured by Teijin Textile Co., Ltd. and "Lansil (registered trademark)" manufactured by Toyobo Co., Ltd., It is preferable because the absorption of the liquid foaming resin increases and the performance of preventing resin intrusion improves. the

9 to 10 show a second embodiment of the present invention. The difference between this embodiment and the above-mentioned first embodiment is that firstly, the linear sealing body 5 is made of a twisted fiber rope, and two linear magnetic materials 15 are buried in parallel to each other in the longitudinal direction with an interval. between the base material 2 and the snap-fit element 3 of the clasp 1 . In this embodiment, instead of constituting the linear sealing body 5 by a simple fiber rope body, a plurality of fiber rope materials 5' may be twisted together as in the modified example of the first embodiment described above. The linear sealing body formed by covering the peripheral surface of the metal wire 5" is omitted from the illustration. In this case, the above-mentioned linear magnetic material 15 embedded in the base material 2 and the linear sealing body 5 The magnetic attraction force generated by the metal wire 5" increases, and the adhesion force with the foaming mold 100 is enhanced. the

Fig. 11 shows that in the above-mentioned second embodiment, the outer wall portion 6 is excluded, and the linear sealing body support portion connecting the first linear sealing body holding portion 14a and the second linear sealing body holding portion 14b is provided. 7. Make the height of the above-mentioned linear sealing body support part 7 from the surface of the base material equal to the height of the first linear sealing body clamping part 14a and the second linear sealing body clamping part 14b, and place the above-mentioned linear sealing body The lower half of 5 is embedded in the upper surface of the above-mentioned linear sealing body supporting part 7, and the linear sealing body 5 is sandwiched by the sealing body supporting part 7 and the above-mentioned second linear sealing body clamping part 14b from left and right and A linear sealing body 5 is clamped below. Among them, the fact that the linear sealing body supporting portion 7 is continuous in the longitudinal direction of the base material 2 and the wall thickness of the linear sealing body supporting portion 7 in the width direction is formed thicker than that of the linear sealing body supporting portion 7 of the first embodiment. This point also differs from the second embodiment described above. Therefore, in the following description, the same reference numerals are assigned to parts that are substantially unchanged from those of the second embodiment described above. the

The linear sealing body 5 made of the above-mentioned fiber rope has the characteristics of softness and easy deformation with respect to pressing. When clamping the linear sealing body 5, as shown in FIGS. 9 and 10, the height H1 of the upper surface of the linear sealing body 5 composed of twisted ropes is set higher than the distance from the second linear sealing body holding portion 14b. The height H2 of the base material 2, as shown in Figure 12, utilizes the widening and deformation of the linear sealing body 5 formed by the adsorption force between the buckle 1 and the adsorption surface of the foam molding mold 100 in the horizontal direction to increase the linear shape. The adsorption area between the sealing body phase 5 and the foam molding mold 100 is used to improve the sealing performance. It can be proved by the experiments of the inventors of the present application that the decrease in magnetic force caused when the linear sealing body 5 is composed of only fiber ropes does not affect practical use. the

In addition, regarding the above-mentioned difference, by excluding the outer wall portion 6 of the second embodiment, the number of constituent members of the die wheel for snap molding described later is reduced, and the ease of management is improved. part 14a, the second linear sealing body holding part 14b, and the linear sealing body supporting part 7 connecting the bases of the first linear sealing body holding part 14a and the second linear sealing body holding part 14b Since the above-mentioned linear magnetic material 15 is integrally supported in a clamping state at the same time as the buckle 1 is formed, the clamping force is further increased. the

Fig. 13 shows a third embodiment of the present invention. With this embodiment, the first linear sealing body clamping portion 14a, the second linear sealing body clamping portion 14b, and the linear sealing body supporting portion 7 of the first embodiment are not all placed on the base material 2. The difference is that they are divided in the length direction and made continuous. The other structures are substantially unchanged from those of the first embodiment described above. In addition, there is substantially no difference between the operation and effect of the first embodiment except that the linear sealing body 5 can be firmly fixed to the resin ingress prevention wall portion 4 . Therefore, in the following description, the names of parts and reference numerals are not particularly changed. In this embodiment, the structure of the buckle 1 can simplify the structure of the mold wheel for forming the buckle described later, which is economically advantageous, and it is not integrally fixed to the preformed linear sealing body and the buckle. Type, but the type in which liquid is directly injected to form a linear sealing body as seen in FIG. 14B described later, and there is no need to worry about liquid leakage. the

A to G of FIG. 14 show modifications of, in particular, the linear magnetic body and the arrangement of the magnetic body in the present invention. the

In the modified example shown in A of FIG. 14 , locking portions are not formed on the upper ends of the first linear sealing body clamping portion 4a and the second linear sealing body clamping portion 4b like the above-mentioned embodiment, but A metal wire 5" made of a magnetic material such as a metal or a magnet is used as a core material, and a linear sealing body 5 formed by coating a plurality of fiber ropes 5' on the periphery of the core material is bonded by applying an adhesive or the like. Connect and fix the opposite surface of the linear sealing body supporting portion 7 and the first linear sealing body clamping portion 4a and the second linear sealing body clamping portion 4b.In addition, the adhesive is not necessary, for example, it can also be passed through When utilizing the die wheel molding buckle described later, import the linear sealing body simultaneously and make.Adopt the modified example of Fig. 14B, make the synthetic resin that heating and melting contain magnetic material flow into by the 1st linear sealing body clamping part 4a and the second linear sealing body clamping part 4b and the linear space formed by the linear sealing body support part 7, the first linear sealing body clamping part 4a and the second linear sealing body clamp The linear sealing body 5 is formed in the space between the part 4b and the linear sealing body supporting part 7.

In addition, the linear sealing body referred to in the present invention also includes the type in which the resin is directly poured in as described in B of FIG. type. the

The modified example of C in FIG. 14 uses foamed resin or foamed rubber mixed with a magnetic material as the material of the linear sealing body 5 . In this modified example, the height of the upper surface of the linear sealing body 5 is set higher than that of the second embodiment in the same manner as in the above-mentioned second embodiment in order to improve the sealing performance by utilizing the elastic deformation of the foamed resin and foamed rubber. The height of the clamping portion 4a of the linear sealing body and the clamping portion 4b of the second linear sealing body from the surface of the substrate, and the height of the apex of the engaging head of the engaging element 3 from the surface of the substrate. The linear sealing body 5 is bonded and fixed to the first linear sealing body holding portion 4a, the second linear sealing body holding portion 4b, and the linear magnetic body shown in A of FIG. Between the linear sealing body supporting parts 7, or as seen in the manufacturing method of the molded male fastener described later, it is fixed to the molten resin of the molded male fastener. Conventionally, when the buckle 1 is attracted to the inner surface of the mold by a magnet (not shown) arranged in the foam molding mold 100, the linear sealing body 5 made of the above-mentioned foamable resin and foam rubber is elastically deformed, and as shown in FIG. As shown in 15, the top surfaces of the first linear sealing body clamping portion 4a and the second linear sealing body clamping portion 4b are closely adhered to the inner surface of the foam molding mold 100, so that sufficient foaming can be achieved during foam molding. The function and sealing performance of the resin intrusion preventing wall portion 4 are fully exhibited. the

In the modified example of the type C in FIG. 14 , the linear sealing body clamping portions 4 a to 4 c of the present invention restrict the deformation of the linear sealing body 5 to a certain extent. In particular, as seen in all the present embodiments, the linear sealing body 5 is formed so as to be completely housed between the linear sealing body holding portions 4a to 4c, so that optimum contact pressure can be ensured. the

In addition, the sealing width exposed from between the linear sealing body clamping portions 4 a to 4 c is preferably greater than or equal to 0.5 mm and less than 3 mm. By setting it as the said range, even if the molded male fastener 1 is adsorb|sucked to the foam molding die 100 by the magnet 102, a worker can adjust a position easily. If the sealing width is less than 0.5 mm, the sealing performance will be poor. Conversely, if the sealing width is greater than or equal to 3 mm, the position adjustment will be difficult due to the friction between the molded male fastener 1 and the foaming mold 100, which is not preferable. the

Here, between the linear sealing body clamping parts 4a-4c refers to the distance between a pair of linear sealing body clamping parts 4a-4c clamping a linear sealing body, therefore, the linear sealing body clamps Sections can be either discontinuous or continuous. the

When the modified example shown in D of FIG. 14 is adopted, a third linear sealing body clamping portion 4c is added between the first linear sealing body clamping portion 4a and the second linear sealing body clamping portion 4b, Moreover, the first linear sealing body supporting portion 7a is provided between the first linear sealing body clamping portion 4a and the third linear sealing body clamping portion 4c, and the 3rd linear sealing body clamping portion 4c and the third linear sealing body clamping portion 4c. A second linear sealing body supporting portion 7b is provided between the two linear sealing body clamping portions 4b. Moreover, the first linear sealing body 5a is disposed between the first linear sealing body clamping portion 4a, the third linear sealing body clamping portion 4c, and the first linear sealing body supporting portion 7a, and the third linear sealing body The 2nd linear sealing body 5b is arrange|positioned between the linear sealing body holding part 4c, the 2nd linear sealing body holding part 4b, and the 2nd linear sealing body support part 7b. That is, in this modified example, two linear sealing bodies 5a, 5b are arranged in parallel to increase the magnetic force and ensure the attraction force for the mold not shown. the

The buckle 1 of this invention which has this structure can be variously deform|transformed besides the example shown in FIGS. Briefly describe them. the

First, when the manufacturing apparatus shown in FIG. 16 is used, a continuous extrusion nozzle 301 for molten resin material is provided facing the peripheral surface of a die wheel 300 driven to rotate in one direction. A plurality of mold cavities 302 for forming male engaging elements are formed in the central region of the peripheral surface of the die wheel 300, and a plurality of mold cavities 302 for forming the above-mentioned male engaging elements are formed intermittently or continuously along the circumferential direction at both ends of the peripheral surface in the axial direction. Multiple rows of not-shown cavities for forming the clamping portion of the first linear sealing body holding portion 4a and the second linear sealing body holding portion 4b. On the other hand, a pick-up roller 303 is provided on the upstream side in the rotation direction of the peripheral surface portion of the die wheel 300 that is disposed opposite to the extrusion nozzle 301 , and a pair of upper and lower pressing rollers is provided on the downstream side of the pick-up roller 303 . Rollers 304,305. The upper pressing roller 304 has a heating unit (not shown) inside, and the upper pressing roller 304 is heated to a desired temperature. the

The continuous supply part of the above-mentioned linear sealing body 5 is provided obliquely above the upstream side of the above-mentioned pair of upper and lower pressing rollers 304, 305, and is directed toward the above-mentioned pair of upper and lower pressing rollers 304 in synchronization with the rotation speed of the pair of upper and lower pressing rollers 304, 305. , 305 to supply the above-mentioned linear sealing body 5, and the linear sealing body 5 merges with the above-mentioned buckle 1. At this time, the linear sealing body 5 is joined to the buckle 1 so as to be fitted and inserted between the first linear sealing body holding portion 4 a and the second linear sealing body holding portion 4 b of the buckle 1 . the

The molten resin material extruded from the continuous extrusion nozzle 301 continuously forms the buckle 1 having the above-mentioned configuration on its peripheral surface in accordance with the rotation of the die wheel 300 . When the buckle 1 formed on the peripheral surface of the die wheel 300 is placed on the peripheral surface of the die wheel 300 and rotated half way, the buckle 1 is continuously peeled off from the peripheral surface of the die wheel 300 by the pick-up roller 303 and picked up. Deduction 1. The picked-up buckle 1 is introduced between the upper and lower pair of pressing rollers 304, 305. In addition, a cooling liquid passes through the lower half of the die wheel 300, and a cooling water tank for immersing the lower half of the die wheel 300 is provided, and this part is omitted from the illustration. the

When the buckle 1 and the linear sealing body 5 converge between the upper and lower pair of pressing rollers 304, 305, as shown in FIG. 1 between the first linear sealing body clamping portion 4a and the second linear sealing body clamping portion 4b. At the same time, the upper ends of the first linear sealing body clamping portion 4a and the second linear sealing body clamping portion 4b are heated and pressed by the upper heating and pressing roller 304, softened and deformed as shown in FIG. 17 and FIG. The upper ends of the first linear sealing body clamping part 4a and the second linear sealing body clamping part 4b form locking parts 4a", 4b", respectively, to clamp and support the linear sealing body 5 on the first linear sealing body Between the clamping part 4 a , the second linear sealing body clamping part 4 b and the linear sealing body supporting part 7 . Using this buckle manufacturing device, unlike the manufacturing method of FIG. 19 described later, the linear sealing body supporting portion 7 under the linear sealing body 5 can be intermittently formed, thereby forming a flexible shape in the longitudinal direction. Taller formed male buckle. the

FIG. 19 shows another typical manufacturing apparatus example of the buckle 1 of the present invention. With this fastener manufacturing apparatus, the linear sealing body 5 is introduced between the opposing surfaces of the die wheel 300 and the continuous extrusion nozzle 301 from the upstream side in the rotation direction of the die wheel 300 . That is, in this device, the linear sealing body 5 is directly supplied to the peripheral surface of the die wheel 300 for forming the first linear sealing body holding part 4a and the second linear sealing body holding part 4b. Various buckles 1 having the above-mentioned structures are integrally molded on the peripheral surface of the die wheel 300 simultaneously between the cavities for forming the clip portion shown in the figure. After the buckle 1 formed on the mold wheel 300 is picked up by the pick-up roller 303, the buckle 1 passes through a pair of upper and lower pressing rollers 304, 305, and is processed in the same way as the manufacturing device of the buckle 1 shown in D of FIG. 14 . The upper ends of the third linear sealing body clamping parts 4 a to 4 c form locking parts 4 a ″ to 4 c ” that engage with the linear sealing body 5 . the

In addition, in the case of manufacturing a buckle of the type seen in A and C of FIG. 14 that does not require the locking portions 4a"-4c", the pressing rollers 304, 305 are not particularly required. In addition, when producing a buckle of the type shown in C of FIG. 14 , instead of the pressing rollers 304 and 305 , a member for introducing a liquid or molten sealing material may be provided. the

In order to integrally mold the thus produced buckle 1 of the present invention with a not-shown cushioning body made of a foamed resin material, as shown in FIG. After the buckle 1 is cut to a desired length, the buckle 1's locking element 3 is formed so that the surface of the locking element 3 faces the protruding portion 101 of the foam molding mold 100 corresponding to the concave portion of the cushioning body. The engaging element forming surface is placed on the protruding portion 101 . A magnet 102 is embedded in the protruding portion 101 of the molding die, and when the buckle 1 is placed on the protruding portion 101, the buckle 1 is attracted by the attractive force of the magnet 102 through the linear sealing body 5, and along the The protruding portion 101 automatically attracts the fastening buckle 1 in a target posture. the

Here, the foamable resin material is injected into the molding die, and the foamable resin material is spread over the mold while flowing toward the back surface of the buckle 1, the second linear sealing body clamping portion 4b, and the periphery of the outer wall portion 6. The entire surface, foaming begins in between. At this time, the buckle 1 is positioned and fixed by the attraction of the magnet 102 of the foam molding mold 100, and the position of the buckle 1 will not change even under the action of the flow of the foamable resin material and the foaming pressure. In addition, although the foamable resin material flowing as described above passes between the first to third linear sealing body holding portions 4a to 4c, the linear sealing body supporting portion 7, and the outer wall portion 6 of the buckle 1, to enter the formation area 30 of the engaging element 3, but it is blocked by the first to third linear sealing body clamping parts 4a-4c, the linear sealing body 5, etc., so that it will not finally reach the engaging element Foam solidifies as domains are formed. the

Claims (10)

1. a sealing molding male surface fastener, sealing molding male surface fastener has respectively the resin entering with foamed resin material that prevents from being shaped and enters the wall portion (4) that prevents on the surface of the left and right sides edge alongst of tabular base material (2), this tabular base material (2) has surfaces externally and internally and is made by thermoplastic resin, at the resin that is positioned at this left and right of tabular base material (2), enter and on the surface preventing between wall portion (4), there are integratedly many positive snap-fit element (3), sealing molding male surface fastener has the magnetic containing the linearity of magnetic material on its length direction, when above-mentioned shaping is shaped with foamed resin material, magnetic and this shaping of this linearity are shaped integratedly with foamed resin material, the magnetic of this linearity can carry out magnetic attachment or can be by magnetic attachment,

Along the resin of above-mentioned left and right, enter and prevent that each end face fixed bearing of wall portion (4) from having wire seal (5), this wire seal (5) has sealing, and by the material different with positive snap-fit element (3) from above-mentioned tabular base material (2), formed, it is characterized in that

Above-mentioned resin enters and prevents that wall portion (4) has the 1st wire seal clamping part (4a) and the 2nd wire seal clamping part (4b), the 1st wire seal clamping part (4a) and the 2nd wire seal clamping part (4b) integrally extend in parallel along length direction and the base material (2) of above-mentioned base material (2), and above-mentioned wire seal (5) alongst extends between near each top of above-mentioned the 1st wire seal clamping part (4a) and above-mentioned the 2nd wire seal clamping part (4b).

2. sealing molding male surface fastener according to claim 1, is characterized in that,

Above-mentioned wire seal (5) at least contains on surface than the material of the constituent material softness of above-mentioned tabular base material (2) and positive snap-fit element (3).

3. sealing molding male surface fastener according to claim 1, is characterized in that,

Above-mentioned wire seal (5) exposes continuously between above-mentioned the 1st wire seal clamping part (4a) and above-mentioned the 2nd wire seal clamping part (4b), and the height that exposes identity distance substrate surface (H1) of above-mentioned wire seal (5) is set contourly or higher than the apex height of above-mentioned positive snap-fit element (3) with the end face of above-mentioned positive snap-fit element (3).

4. sealing molding male surface fastener according to claim 1, is characterized in that,

Above-mentioned wire seal (5) is housed between above-mentioned the 1st wire seal clamping part (4a) and above-mentioned the 2nd wire seal clamping part (4b) completely.

5. sealing molding male surface fastener according to claim 1, is characterized in that,

Above-mentioned the 1st wire seal clamping part (4a) and above-mentioned the 2nd wire seal clamping part (4b) configure discontinuously along the length direction of base material (2).

6. sealing molding male surface fastener according to claim 1, is characterized in that,

On the surface of the edge, outside along above-mentioned the 2nd wire seal clamping part (4b) of base material, also there is outside wall portions (6), in the mode that each gap that is alongst formed at above-mentioned the 2nd wire seal clamping part (4b) is stopped up, configure discontinuously this outside wall portions (6).

7. sealing molding male surface fastener according to claim 1, is characterized in that,

On above-mentioned the 1st wire seal clamping part (4a) and the surface between above-mentioned the 2nd wire seal clamping part (4b) of base material, along the length direction of base material (2) discontinuously swell dispose for support the wire seal support (7) of above-mentioned wire seal (5) from below.

8. sealing molding male surface fastener according to claim 1, is characterized in that,

At above-mentioned resin, enter the top that prevents wall portion (4) and there is engaging portion for the above-mentioned wire seal of engaging (5) (4a ', 4b ').

9. sealing molding male surface fastener according to claim 1, is characterized in that,

Above-mentioned wire seal (5) is fiber rope making body.

10. sealing molding male surface fastener according to claim 9, is characterized in that,

Above-mentioned fiber rope making body has the synthetic resin wire as core, and this synthetic resin wire contains can carry out magnetic attachment or can be by the magnetic-particle of magnetic attachment.